Alert archive / Illinois / Winter Storm Watches in 2012

Winter Storm Watch 4, NWS Chicago, IL

March 1, 20125 counties in Illinois

NWS Chicago, IL issued this winter storm watch at Mar 1, 2012, 9:01 PM CST for 5 counties in Illinois. It took effect at Mar 2, 2012, 3:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Mar 1, 2012, 9:01 PM CST (03:01 UTC)
In effect from: Mar 2, 2012, 3:00 PM CST
Expired: Mar 2, 2012, 10:29 AM CST
In force
Issued by: NWS Chicago, IL

Counties Boone County, IL, Lake County, IL, McHenry County, IL, Ogle County, IL, Winnebago County, IL

What forecasters said that day

The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this winter storm watch went out at Mar 1, 8:06 PM CST, 55 minutes earlier.

Area forecast discussion, Mar 1, 8:06 PM CST, 55 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Mar 1, 4:37 PM CST, 4 hours 24 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
437 PM CST THU MAR 1 2012

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
022245-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
437 PM CST THU MAR 1 2012 /537 PM EST THU MAR 1 2012/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

STRONG LOW PRESSURE WILL MOVE NORTHEASTWARD ACROSS THE REGION
FRIDAY. THERE IS A CHANCE FOR THUNDERSTORMS ROUGHLY FROM LASALLE
COUNTY NORTHEAST TO NORTHERN COOK COUNTY...WITH A SLIGHT CHANCE
FOR STRONG TO SEVERE THUNDERSTORMS ROUGHLY SOUTH OF A VALPARAISO
TO PONTIAC LINE. THOUGH THE RISK FOR SEVERE STORMS IS LOW...
SHOULD STORMS BECOME SEVERE THE THREATS INCLUDE ISOLATED TORNADOES
AND DAMAGING WINDS. THE EXACT TRACK OF THE LOW WILL DETERMINE THE
EXTENT OF THE SEVERE RISK AND TRACK ADJUSTMENTS ARE STILL
POSSIBLE. BE SURE TO MONITOR LATER FORECASTS FOR THE LATEST ON ANY
SEVERE THUNDERSTORM POTENTIAL.

IN ADDITION...RAIN CHANGING TO A PERIOD OF POTENTIALLY MODERATE TO
HEAVY SNOW IS POSSIBLE LATE FRIDAY AFTERNOON INTO EARLY FRIDAY
EVENING FOR PORTIONS OF FAR NORTHERN ILLINOIS. THE POTENTIAL IS MOST
LIKELY FOR KANE AND LAKE COUNTIES IN ILLINOIS AND POINTS WEST.
UNCERTAINTY STILL REMAINS..BUT THE POTENTIAL EXISTS FOR A QUICK
ACCUMULATION OF SNOW AND HAZARDOUS TRAVEL CONDITIONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ740>745-022245-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
437 PM CST THU MAR 1 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE
MICHIGAN.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

WINDS AND WAVES HAZARDOUS TO SMALL CRAFT ARE LIKELY FRIDAY
MORNING THROUGH FRIDAY NIGHT FOR THE ILLINOIS NEARSHORE WATERS.

WINDS AND WAVES HAZARDOUS TO SMALL CRAFT ARE LIKELY FRIDAY
AFTERNOON THROUGH SATURDAY NIGHT FOR THE NORTHWEST INDIANA
NEARSHORE WATERS.

THERE IS A CHANCE FOR THUNDERSTORMS FRIDAY FOR THE ILLINOIS AND
INDIANA NEARSHORE WATERS.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-022245-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
437 PM CST THU MAR 1 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

GALE FORCE WINDS ARE LIKELY FRIDAY EVENING THROUGH SATURDAY
AFTERNOON FOR THE SOUTHERN HALF OF LAKE MICHIGAN.

GALE FORCE WINDS ARE POSSIBLE AGAIN ON TUESDAY.

THERE IS A CHANCE FOR THUNDERSTORMS FOR THE SOUTHERN THIRD OF LAKE
MICHIGAN ON FRIDAY.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

RC

In the hours before

Special weather statement, Mar 1, 4:09 PM CST, 4 hours 52 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 2, 3:21 AM CST	Gale Warning	LOT		33 hr
Mar 2, 10:29 AM CST	Winter Storm Warning	LOT	Boone, Lake, McHenry, Ogle, Winnebago	10 hr
Mar 2, 10:29 AM CST	Winter Weather Advisory	LOT	DeKalb, DuPage, Kane, Lee	10 hr
Mar 2, 11:44 AM CST	Wind Advisory	LOT	Ford, Iroquois, Kankakee	12 hr
Mar 2, 3:11 PM CST	Gale Warning	LOT		18 hr
Mar 2, 3:11 PM CST	Gale Warning	LOT		24 hr
Mar 2, 3:11 PM CST	Storm Warning	LOT		12 hr
Mar 2, 9:29 AM CST	River Flood Watch	LOT	Lake, Newton	22 hr

Nearby

Winter Storm Watches in Illinois, 2012 Every winter storm watch in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.